SWL Series Worm Screw Jack is a kind of basic lifting parts, with compact structure, small volume, light weight, wide power source, no noise, easy to install, flexible use, multi-functional, supporting forms, high reliability, long service life and many other advantages. It can be used as a single unit or in combination, and can accurately control and adjust the height of lifting or advancing to a certain extent, and can be driven directly by electric motor or other power, or manually, and has different structural and assembly types, and the lifting height can be customized according to the user's requirements.
1, suitable for low-speed, low-frequency occasions, the main components are: precision trapezoidal screw vice and high-precision worm gear vice.
2、Economic price, compact structure, simple operation and easy maintenance.
3、Low speed, low frequency: mainly used for large load, low speed and no need to work frequently.
4、Keeping load: trapezoidal screw has automatic locking function, even if there is no braking device can keep the load.
Hoist and transport
Building and construction
Forest and paper
Metal processing
Agriculture and food
| Housing material | Cast iron/Ductile iron |
| Housing hardness | HBS190-240 |
| Gear material | 20CrMnTi alloy steel |
| Surface hardness of gears | HRC58°~62 ° |
| Gear core hardness | HRC33~40 |
| Input / Output shaft material | 42CrMo alloy steel |
| Input / Output shaft hardness | HRC25~30 |
| Machining precision of gears | Accurate grinding, 6~5 Grade |
| Lubricating oil | GB L-CKC220-460, Shell Omala220-460 |
| Heat treatment | Tempering, cementiting, quenching, etc. |
| Efficiency | 94%~96% (depends on the transmission stage) |
| Noise (MAX) | 60~68dB |
| Temp. Rise (MAX) | 40°C |
| Temp. Rise (Oil)(MAX) | 50°C |
| Vibration | ≤20µm |
| Backlash | ≤20Arcmin |
| Brand of bearings | China top brand bearing, HRB/LYC/ZWZ/C&U. Or other brands requested, SKF, FAG, INA, NSK. |
| Brand of oil seal | NAK --- Taiwan or other brands requested |
Address
Mocheng Industrial Zone, Aohong Town, Pingyang County, Wenzhou City, Zhejiang Province, China
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